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.\" Copyright (c) 2003 Bruce M Simpson <bms@spc.org>
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.Dd August 30, 2016
.Dt PMAP_ZERO 9
.Os
.Sh NAME
.Nm pmap_zero_page ,
.Nm pmap_zero_area
.Nd zero-fill a page using machine-dependent optimizations
.Sh SYNOPSIS
.In sys/param.h
.In vm/vm.h
.In vm/pmap.h
.Ft void
.Fn pmap_zero_page "vm_page_t m"
.Ft void
.Fn pmap_zero_page_area "vm_page_t m" "int off" "int size"
.Sh DESCRIPTION
The
.Fn pmap_zero_page
function zero-fills an entire page using machine-dependent optimizations.
The
.Fn pmap_zero_page_area
function is used to zero-fill an area of a page.
The range specified must not cross a page boundary; it must be contained
entirely within a single page.
.Sh IMPLEMENTATION NOTES
This function is required to be implemented for each architecture supported by
.Fx .
.Sh SEE ALSO
.Xr bzero 3 ,
.Xr pmap 9
.Sh AUTHORS
This manual page was written by
.An Bruce M Simpson Aq Mt bms@spc.org .
